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1. The link between surface water and groundwater-based drinking water – strontium isotope spatial distribution patterns and their relationships to Danish sediments

Author:
Hansen, Birgitte,   et al.   ; Frei, Robert; Frei, Karin M.; Kristiansen, Søren Munch; Jessen, Søren; Schullehner, Jörg;     Show all 6 Authors
Source:
Applied geochemistry 2020 v.121 pp. 104698
ISSN:
0883-2927
Subject:
Holocene epoch; Miocene epoch; aquifers; bioavailability; carbonates; chemical composition; drinking water; forensic sciences; geochemistry; groundwater; limestone; lithology; sediments; soil; stable isotopes; strontium; surface water; water utilities; Denmark
Abstract:
... The hydrological relationship between surface waters and groundwaters in many regions of the world is well known and the effects of their mutual interaction and interaction with the soils and bedrocks, with respect to resulting changes in their chemical composition, are well studied. In this study we add to this knowledge by comparing the distributional patterns of strontium (Sr) isotopes in previ ...
DOI:
10.1016/j.apgeochem.2020.104698

2. Iodine in major Danish aquifers

Author:
Hansen, Birgitte,   et al.   ; Voutchkova, DenitzaDimitrova; Ernstsen, Vibeke; Kristiansen, SørenMunch;     Show all 4 Authors
Source:
Environmental earth sciences 2017 v.76 no.13 pp. 447
ISSN:
1866-6280
Subject:
aquifers; atmospheric deposition; desorption; deuterium; dissolved organic carbon; drinking water; geochemistry; groundwater; humans; iodates; iodides; iodine; leaching; limestone; minerals; oxygen; saline water; sediments; soil; stable isotopes; Denmark
Abstract:
... Iodine in groundwater can have direct importance for human dietary iodine intake in areas where drinking water is of groundwater origin, as in Denmark. Knowledge on the sources and processes for the varying iodine concentrations in groundwater is of utmost importance for understanding the variation in iodine intake of the population via drinking water. The aim of this study was to characterize gro ...
DOI:
10.1007/s12665-017-6775-6

3. Low-level exposure to arsenic in drinking water and incidence rate of stroke: A cohort study in Denmark

Author:
Hansen, Birgitte,   et al.   ; Ersbøll, Annette Kjær; Monrad, Maria; Sørensen, Mette; Baastrup, Rikke; Bach, Flemming Winther; Tjønneland, Anne; Overvad, Kim; Raaschou-Nielsen, Ole;     Show all 9 Authors
Source:
Environment international 2018 v.120 pp. 72-80
ISSN:
0160-4120
Subject:
Poisson distribution; arsenic; cities; cohort studies; diet; drinking water; lifestyle; linear models; stroke; water supply; Denmark
Abstract:
... High arsenic concentration in drinking water is associated with a higher incidence rate of stroke, but only few studies have investigated an association with arsenic in drinking water at low concentration (<50 μg/L).To examine if arsenic in drinking water at low concentration was associated with higher incidence rate of stroke in Denmark.A total of 57,053 individuals from the Danish Diet, Cancer, ...
DOI:
10.1016/j.envint.2018.07.040

4. Nitrate vulnerability assessment of aquifers

Author:
Hansen, Birgitte,   et al.   ; Sonnenborg, Torben O.; Møller, Ingelise; Bernth, Jens Demant; Høyer, Anne-Sophie; Rasmussen, Per; Sandersen, Peter B.E.; Jørgensen, Flemming;     Show all 8 Authors
Source:
Environmental earth sciences 2016 v.75 no.12 pp. 999
ISSN:
1866-6280
Subject:
aquifers; drinking water; geophysics; groundwater; groundwater flow; landscapes; nitrate reduction; nitrates; water supply; Denmark
Abstract:
... Protection of groundwater against nitrate has a high priority in a country like Denmark with intensive agricultural production and with drinking water production based on groundwater. This paper presents a Site-specific Concept for Aquifer Nitrate Vulnerability Assessment (SCANVA) aimed at protecting groundwater resources. SCANVA is a qualitative dynamic concept adjusted to the specific study area ...
DOI:
10.1007/s12665-016-5767-2

5. Iodine concentrations in Danish groundwater: historical data assessment 1933–2011

Author:
Hansen, Birgitte,   et al.   ; Voutchkova, Denitza Dimitrova; Kristiansen, Søren Munch; Ernstsen, Vibeke; Sørensen, Brian Lyngby; Esbensen, Kim H.;     Show all 6 Authors
Source:
Environmental geochemistry and health 2014 v.36 no.6 pp. 1151-1164
ISSN:
0269-4042
Subject:
barium; bromine; chalk; data collection; drinking water; groundwater; iodine; multivariate analysis; principal component analysis; public health; quality control; saline water; Denmark
Abstract:
... In areas where water is a major source of dietary iodine (I), the I concentration in drinking water is an important factor for public health and epidemiological understandings. In Denmark, almost all of the drinking water is originating from groundwater. Therefore, understanding the I variation in groundwater and governing factors and processes are crucial. In this study, we perform uni- and multi ...
DOI:
10.1007/s10653-014-9625-4
PubMed:
24861191

6. Assessment of spatial variation in drinking water iodine and its implications for dietary intake: A new conceptual model for Denmark

Author:
Hansen, Birgitte,   et al.   ; Voutchkova, Denitza Dimitrova; Ernstsen, Vibeke; Sørensen, Brian Lyngby; Zhang, Chaosheng; Kristiansen, Søren Munch;     Show all 6 Authors
Source:
The Science of the total environment 2014 v.493 pp. 432-444
ISSN:
0048-9697
Subject:
Adequate Intakes; World Health Organization; adolescents; adults; aquifers; chalk; drinking water; food intake; groundwater; groundwater extraction; human health; humans; iodates; iodides; iodine; models; monitoring; sand; snowmelt; water supply; water utilities; Denmark
Abstract:
... Iodine is essential for human health. Many countries have therefore introduced universal salt iodising (USI) programmes to ensure adequate intake for the populations. However, little attention has been paid to subnational differences in iodine intake from drinking water caused by naturally occurring spatial variations. To address this issue, we here present the results of a Danish nationwide study ...
DOI:
10.1016/j.scitotenv.2014.06.008